Nasal airway patency has long been considered a major factor in ear health. The aim of this study was to determine the effect of sinonasal polyposis on middle ear and eustachian tube (ET) functionality. Forty-four individuals with polyposis, 23 with non-polyposis nasal obstruction, and 23 healthy controls were enrolled. Demographic, clinical and imaging data of all participants were collected and ET function tests and audiologic tests were performed. Hearing loss (p = 0.02), flat tympanogram (p = 0.02), disturbed Toynbee and Valsalva tests (p = 0.01), and the prevalence of allergy (p = 0.04) and purulent nasal discharge (p < 0.001) were significantly higher in the polyposis group than the other groups. Regression analysis revealed that infection and allergy have more important roles in ET function than the nasal obstruction. Polyposis could impede ET function; however, it is probably not because of its obstructive nature, but because of the associated increased risk of infection.
Oral Presentations P91years of adult follow-up (95% confidence interval [CI]: 2.4-17.3), representing 4 cases of residual cholesteatoma and no recurrences. The otorrhea rate was 5.6% at 12 months and the rate of definitive waterproofing was 89.8% at 12 months. There was a reoperation rate of only 6.7% at 5 years which included second stage ossiculoplasty. Regarding hearing, 62.2% preserved their hearing (change between -10 to = 10 dB), 36.5% had hearing gain (>10 dB), and 16.9% had hearing reduction at 12 months postoperation. Forty-eight percent (48%) achieved a postoperative air-bone gap of ≤20 dB.Conclusions: Use of a CWD approach with obliteration of the mastoid cavity to surgically treat cholesteatoma results in a low recurrence rate and high rate of a trouble-free ear in the long term. Middle Cranial Fossa Dehiscence as an Incidental Finding on CT Taher Valika, MD (presenter); Miriam Redleaf, MDObjectives: Determine the prevalence of middle cranial fossa (MCF) dehiscence on computed tomography (CT) scans and establish its increase with age.Methods: All high-resolution temporal bone CT scans completed at a tertiary care center from 2011 to 2013, ordered by 1 otologist for any reason, were reviewed. Scans showing soft tissue, fluid, trauma, or previous operations were excluded. A total of 183 patients (296 ears) were reviewed blinded for age. The MCF floor was divided into 7 regions and systematically inspected. Ages of the patients were subsequently extracted from the medical record.Results: Logistic regression analysis confirmed increasing MCF dehiscence with age (P < .05, odds ratio [OR] 1.07, R = 0.584). Overall ages (1-88 years; average 38.5 years), 32% of MCF floors were dehiscent at any one site. For age 60 years and over, 55% were dehiscent. For 226 paired ears, if one ear was dehiscent, there was a 66% chance the other ear was dehiscent as well. Superior canal dehiscence (SCD) was seen in 7% of all patients, and only in combination with MCF dehiscence. SCD occurred in 16% of dehiscent ears. The most common sites were directly above the malleus head and above the additus ad antrum (36% and 28%, respectively).Conclusions: The incidence of MCF dehiscence increases with age. Over all ages, approximately 32% of ears show dehiscence. Over 60 years, approximately 55% show dehiscence. The increase of dehiscence with age is statistically significant. The most common sites along the MCF floor are in the epitympanum over the malleus head and additus ad antrum. Middle Ear Function in Sinonasal Polyposis: A Case-Control StudyMohsen Rajati, MD (presenter); Mehdi Bakhshaee, MD; Rahman Movahed, MD; Hossein Payedar Ardakani, MD Objectives: Determine the effect of sinonasal polyposis on middle ear (ME) and Eustachian tube (ET) function.Methods: In a case-control survey, 90 cases in 3 groups including 42 advanced stage sinonasal polyposis patients, 24 patients with chief complaint of nasal obstruction in the absence of polyposis, and 24 healthy cases (not suffering from nasal obstruction or allergic rhinitis) were stud...
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